What can be concluded about the graphed polygon?
On a coordinate plane, side a has points (negative 2, 4) and (5, 4), side b has points (5, 4) and (5, negative 3), side c has points (5, negative 3) and (negative 4, negative 3), and side d has points (negative 4, negative 3) and (negative 2, 4).
Side a is parallel to line b.
Side a is parallel to line c.
The slopes of sides d and c are reciprocals.
The slope of side d is 0.
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